Abstract 16964: Triplane Measurement of Fractional Area Change to Assess Single Right Ventricular Function

Published on Nov 25, 2014in Circulation29.69
Muhammad Yasir Qureshi12
Estimated H-index: 12
Chelsea L Reece3
Estimated H-index: 3
+ 2 AuthorsPatrick W. O'Leary41
Estimated H-index: 41
Background: Echocardiographic (echo) functional assessment of single systemic right ventricle (RV) lacks a reliable parameter and does not provide a substitute of volumetric ejection fraction (EF). RV volumes by 3D-echo are challenging and not widely used. Apical RV fractional area change (FAC) has shown some relation to CMR EF, but the strength of correlation has been suboptimal. Adding additional planes to apical FAC may improve this correlation. Our objective was to assess correlation of triplane FAC (apical, short-axis, and inflow-outflow) with CMR EF and to compare the tri- and single plane methods of measuring FAC to each other. Methods: Subjects with hypoplastic left heart syndrome (after superior or total cavopulmonary anastomosis) were prospectively recruited. CMR was performed and right ventricular ejection fraction was calculated. Transthoracic echo studies were performed close to the time of the CMR scan (median interval: 1 d). FAC was measured in apical 4-chamber view, parasternal short axis ...
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